Source : Webster's Revised Unabridged Dictionary (1913)

Well-read \Well"-read`\, a.
   Of extensive reading; deeply versed; -- often followed by in.

Source : WordNet®

well-read
     adj 1: well informed or deeply versed through reading; "respect for
            a well-read man"; "well-read in medieval history"
     2: highly educated; having extensive information or
        understanding; "an enlightened public"; "knowing
        instructors"; "a knowledgeable critic"; "a knowledgeable
        audience" [syn: {enlightened}, {knowing}, {knowledgeable},
         {learned}, {lettered}, {well-educated}]